16) 9y+2r If she bought 1 dog toy and 2 treats: 9(1)+2(2)= 13 17) 5n-3n= 2n 17-2+7= 22 Combine like terms 2n+22 Write out expression 2(8)+22= 38 Plug in 8. Answer: 2n+22; 38 18) 5h^3 h represents the # of weeks; Find # of tickets sold in 3 weeks:h=3 5(3)^3 plug in 3 5(27) PEMDAS; Exponents first; 3*3*3= 27 Answer: 135 19) It is true If d=2, 5(2)*5(2)*5(2)= (5*2)^3 10*10*10=(10)^3 1,000=1,000
16) 9t+2x T standing for cost Per toy X standing for cost per treat Be sure to include this to get full credit. 17) 5(8)+17-3(8)-2+7 40+17-24-2+7 57-24+5 33+5=38 Please include all work to receive full credit 18) 5(3)^3 3,375 Mrs.Cuiman has sold 3,375 tickets in 3 weeks Please include the sentence above to receive full credit. 19) yes,this statement is true because an exponent is when a number and/or variable is multiplied more than once by itself.In this case the exponent is 3 in which 5d is multiplied by itself 3 times.
